i could run glxgears before, but now when i try i get this:
[tearne@pc1-cove3-4-cust160 tearne]$ glxgears
Xlib: extension "GLX" missing on display ":0.0".
Error: couldn't get an RGB, Double-buffered visual

Please help me, i have a geforce 4 card using redhat 9 on a 2.7ghz 80gb hd and 512mb machine